Finding the Third Proportional to 10,393,341,488 and 21,337,665,570

Step by Step Solution

1. Step 1: Write the proportion equation
   10,393,341,488 : 21,337,665,570 = 21,337,665,570 : x
2. Step 2: Convert to fraction form
   10,393,341,488/21,337,665,570 = 21,337,665,570/x
3. Step 3: Cross multiply
   10,393,341,488x = 21,337,665,570 × 21,337,665,570
4. Step 4: Simplify right side
   10,393,341,488x = 455,295,971,977,163,440,128
5. Step 5: Solve for x
   x = 455,295,971,977,163,440,128/10,393,341,488
6. Step 6: Final answer
   x = 43,806,505,588.49